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CC664
Maintenance
!
WARNING
Always disconnect battery cables from battery before working around electrical system components
to prevent injury to yourself or damage to electrical system.
IMPORTANT: Refer to MAINTENANCE CHART for complete listing of all scheduled maintenance to be
performed. Some listings can be done by owner/operator, while others should be performed by an
Authorized MerCruiser Dealer. Before attempting maintenance or repair procedures not covered in this
manual, it is recommended that a MerCruiser Maintenance Procedures Manual or Service Manual be
purchased and read thoroughly.
NOTE: Maintenance points are color coded for ease of identification. See the decal on engine for identification.
Maintenance Aids
1 Velvet Drive Transmission - Dexron III Transmission Fluid or 10 wt. tractor hydraulic fluid meeting the
C-3/TO-2 specification. (Preferably Mobil 424, Chevron, or Citgo).
2 Walter V-Drive Transmission - SAE 30 Heavy Duty Motor Oil, Exxon Spartan EP-68 Gear Oil,
or APG-80 Gear Oil. DO NOT use SAE 80 Motor Oil, or Multi-Grade Oils such as 10W-30 or 10W-40.
3 Crankcase Oil - Quicksilver 4-Cycle Marine Engine Oil. (Refer to SPEClFlCATlONS for alternatives and oil
recommendations for varying ambient temperatures.)
4 All Exterior Surfaces - Quicksilver Primer and Spray Paint and Quicksilver Corrosion Guard.
CA466
IMPORTANT: This manual contains basic Operation and Maintenance information for your MerCruiser
power package. If you desire to perform some of the maintenance items on your own, you should obtain
a copy of the “Maintenance Procedures” Manual for your particular power package. Information for
obtaining this manual is located at the back of this manual.
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